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ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.1, No. 1)
ATX 12V Power
Connector
(4-pin ATX12V2)
(see p.1, No. 2)
Serial Port Header
(9-pin COM1)
(see p.1, No. 26)
SPI TPM Header
(13-pin SPI_TPM_J1)
(see p.6, No. 17)
Thunderbolt AIC
Connector
(5-pin TB1)
(see p.1, No. 30)
8
5
4
1
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
SPI_DQ3
+3.3V
Dummy
CLK
SPI_MOSI
RST#
TPM_PIRQ
1
SPI_TPM_CS#
GND
RSMRST#
SPI_MISO
SPI_CS0
SPI_DQ2
1
This motherboard provides
an 8-pin ATX 12V power
connector. To use a 4-pin
ATX power supply, please
plug it along Pin 1 and Pin
5.
Please connect an ATX 12V
power supply to this con-
nector.
*Connecting an ATX 12V
4-pin cable here is optional.
*The power supply plug fits
into this connector in only
one orientation.
This COM1 header
supports a serial port
module.
This connector supports SPI
Trusted Platform Module (TPM)
system, which can securely
store keys, digital certificates,
passwords, and data. A TPM
system also helps enhance
network security, protects digital
identities, and ensures platform
integrity.
Please connect a
Thunderbolt™ add-in card
(AIC) to this connector
via the GPIO cable.
*Please install the Thunderbolt™
AIC card to PCIE4 (default slot).
Z490 Pro4
23
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